1971 Jaguar Xj6 — MOT History by Age

How cars manufactured in 1971 perform at MOT as they age

55 years

Current Age

77.4%

Latest Pass Rate

761

Total Tests (All Years)

50,055 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1971 Jaguar Xj6 as it ages.

38 yrs74.1%

→ ↓1.5%

39 yrs72.6%

→ ↓5.9%

40 yrs66.7%

→ ↑8.0%

41 yrs74.7%

→ ↓13.6%

42 yrs61.1%

→ ↑4.4%

43 yrs65.5%

→ ↑15.0%

44 yrs80.5%

→ ↓1.5%

45 yrs79.0%

→ ↓1.4%

46 yrs77.6%

→ ↓0.2%

47 yrs77.4%

📊 View as table

Age	Pass Rate	Tests
38 yrs	74.1%	81
39 yrs	72.6%	84
40 yrs	66.7%	84
41 yrs	74.7%	79
42 yrs	61.1%	90
43 yrs	65.5%	87
44 yrs	80.5%	77
45 yrs	79.0%	81
46 yrs	77.6%	67
47 yrs	77.4%	31

Pass Rate Trend

How the 1971 Jaguar Xj6 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2018 (47 yrs)	77.4%	31
2017 (46 yrs)	77.6%	67
2016 (45 yrs)	79%	81
2015 (44 yrs)	80.5%	77
2014 (43 yrs)	65.5%	87
2013 (42 yrs)	61.1%	90
2012 (41 yrs)	74.7%	79
2011 (40 yrs)	66.7%	84
2010 (39 yrs)	72.6%	84
2009 (38 yrs)	74.1%	81

Year-by-Year MOT Results

2009

74.1%

Age (yrs) 38Tests 81Avg Mileage 50,338Top Failure Suspension — 17.3%

2010

72.6%

Age (yrs) 39Tests 84Avg Mileage 45,705Top Failure Suspension — 15.5%

2011

66.7%

Age (yrs) 40Tests 84Avg Mileage 49,171Top Failure Brakes — 17.9%

2012

74.7%

Age (yrs) 41Tests 79Avg Mileage 50,470Top Failure Lamps, Reflectors and Electrical Equipment — 12.7%

2013High Fail Rate

61.1%

Age (yrs) 42Tests 90Avg Mileage 47,325Top Failure Suspension — 75.6%

2014

65.5%

Age (yrs) 43Tests 87Avg Mileage 49,725Top Failure Suspension — 42.5%

2015

80.5%

Age (yrs) 44Tests 77Avg Mileage 48,525Top Failure Suspension — 57.1%

2016

79.0%

Age (yrs) 45Tests 81Avg Mileage 46,013Top Failure Suspension — 33.3%

2017

77.6%

Age (yrs) 46Tests 67Avg Mileage 47,129Top Failure Suspension — 46.3%

2018

77.4%

Age (yrs) 47Tests 31Avg Mileage 50,055Top Failure Brakes — 25.8%

MOT results for 1971 Jaguar Xj6 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	38	74.1%	81	50,338	Suspension — 17.3%
2010	39	72.6%	84	45,705	Suspension — 15.5%
2011	40	66.7%	84	49,171	Brakes — 17.9%
2012	41	74.7%	79	50,470	Lamps, Reflectors and Electrical Equipment — 12.7%
2013	42	61.1%	90	47,325	Suspension — 75.6%
2014	43	65.5%	87	49,725	Suspension — 42.5%
2015	44	80.5%	77	48,525	Suspension — 57.1%
2016	45	79.0%	81	46,013	Suspension — 33.3%
2017	46	77.6%	67	47,129	Suspension — 46.3%
2018	47	77.4%	31	50,055	Brakes — 25.8%

Common MOT Failures

Top failure categories across all test years for 1971 Jaguar Xj6, with age trends.

Suspension

32.6%

↓ Decreases with age

Lamps, reflectors and electrical equipment

22.6%

— Consistent

Lamps, Reflectors and Electrical Equipment

20.0%

— Consistent

Brakes

18.7%

↑ Increases with age

Steering

13.3%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	12.3% (38 yrs)	25.8% (47 yrs)	+13.5%	🔴 ↑
Suspension	17.3% (38 yrs)	12.9% (47 yrs)	-4.4%	🟢 ↓

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Jaguar Xj6 page →

About This Data

This page shows how Jaguar Xj6 cars manufactured in 1971 perform at MOT as they age. Data spans from 2009 to 2018, covering 761 tests. Pass rates naturally decline with age as components wear.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.